. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. ? H. £). Rogers, Geology of Pennsylvania, ^ 1858, page 832, fig. 687; found in the mountain limestone (a western division of the Maucli Chunk red shale formation). XL Productus ? Pal, Ohio, Vol. % 1875, pages 282, plate 10, fig. 3, view of a ventral valve of an undetermined form of Productus with distinct longitudinal costae, and in various ways differing from P. semireticulatus^ but perhaps a variety of it, from the Ohio Waverly group. Figs. 4t«, profi
. A dictionary of the fossils of Pennsylvania and neighboring states named in the reports and catalogues of the survey ... Paleontology. ? H. £). Rogers, Geology of Pennsylvania, ^ 1858, page 832, fig. 687; found in the mountain limestone (a western division of the Maucli Chunk red shale formation). XL Productus ? Pal, Ohio, Vol. % 1875, pages 282, plate 10, fig. 3, view of a ventral valve of an undetermined form of Productus with distinct longitudinal costae, and in various ways differing from P. semireticulatus^ but perhaps a variety of it, from the Ohio Waverly group. Figs. 4t«, profile of cast of a ventral valve; 5, front view; ^, showing cast of interior of dorsal valve also and umbonal region, muscle scars, etc., of ventral valve, of a smaller species or variety, found at many places, in Ohio, in the same Waverly formation, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lesley, J. P. (J. Peter), 1819-1903; Pennsylvania. Board of Commissioners for the Second Geological Survey. Harrisburg, Board of Commissioners for the Geological Survey
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectpaleontology, bookyea
